Computational and Polarographic study on Drug–Receptor Interaction for Atenolol http://phar.uokufa.edu.iq/wp-content/uploads/2018/04/flh1-2.pdf   The Study On Photo Degradation Of Crystal Violet By Polarographic Technique   http://phar.uokufa.edu.iq/wp-content/uploads/2018/04/FLH.pdf